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ALSA: atiixp: Use guard() for spin locks 

Clean up the code using guard() for spin locks.

Merely code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250829144342.4290-12-tiwai@suse.de
This commit is contained in:
Takashi Iwai 2025-08-29 16:42:46 +02:00
parent 9608fe85ff
commit 5f7e725e02
2 changed files with 30 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
sound/pci/atiixp.c
View File

@ -345,7 +345,6 @@ static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma,
{ {
unsigned int i; unsigned int i;
u32 addr, desc_addr; u32 addr, desc_addr;
unsigned long flags;
if (periods > ATI_MAX_DESCRIPTORS) if (periods > ATI_MAX_DESCRIPTORS)
return -ENOMEM; return -ENOMEM;
@ -363,11 +362,11 @@ static int atiixp_build_dma_packets(struct atiixp *chip, struct atiixp_dma *dma,
return 0; return 0;
/* reset DMA before changing the descriptor table */ /* reset DMA before changing the descriptor table */
spin_lock_irqsave(&chip->reg_lock, flags); scoped_guard(spinlock_irqsave, &chip->reg_lock) {
writel(0, chip->remap_addr + dma->ops->llp_offset); writel(0, chip->remap_addr + dma->ops->llp_offset);
dma->ops->enable_dma(chip, 0); dma->ops->enable_dma(chip, 0);
dma->ops->enable_dma(chip, 1); dma->ops->enable_dma(chip, 1);
spin_unlock_irqrestore(&chip->reg_lock, flags); }
/* fill the entries */ /* fill the entries */
addr = (u32)substream->runtime->dma_addr; addr = (u32)substream->runtime->dma_addr;
@ -711,7 +710,7 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
!dma->ops->flush_dma)) !dma->ops->flush_dma))
return -EINVAL; return -EINVAL;
spin_lock(&chip->reg_lock); guard(spinlock)(&chip->reg_lock);
switch (cmd) { switch (cmd) {
case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
@ -745,7 +744,6 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
snd_atiixp_check_bus_busy(chip); snd_atiixp_check_bus_busy(chip);
} }
} }
spin_unlock(&chip->reg_lock);
return err; return err;
} }
@ -859,7 +857,7 @@ static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream)
{ {
struct atiixp *chip = snd_pcm_substream_chip(substream); struct atiixp *chip = snd_pcm_substream_chip(substream);
spin_lock_irq(&chip->reg_lock); guard(spinlock_irq)(&chip->reg_lock);
if (chip->spdif_over_aclink) { if (chip->spdif_over_aclink) {
unsigned int data; unsigned int data;
/* enable slots 10/11 */ /* enable slots 10/11 */
@ -877,7 +875,6 @@ static int snd_atiixp_spdif_prepare(struct snd_pcm_substream *substream)
atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0); atiixp_update(chip, CMD, ATI_REG_CMD_SPDF_CONFIG_MASK, 0);
atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0); atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_SPDF, 0);
} }
spin_unlock_irq(&chip->reg_lock);
return 0; return 0;
} }
@ -887,7 +884,7 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)
struct atiixp *chip = snd_pcm_substream_chip(substream); struct atiixp *chip = snd_pcm_substream_chip(substream);
unsigned int data; unsigned int data;
spin_lock_irq(&chip->reg_lock); guard(spinlock_irq)(&chip->reg_lock);
data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK; data = atiixp_read(chip, OUT_DMA_SLOT) & ~ATI_REG_OUT_DMA_SLOT_MASK;
switch (substream->runtime->channels) { switch (substream->runtime->channels) {
case 8: case 8:
@ -922,7 +919,6 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)
atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN, atiixp_update(chip, 6CH_REORDER, ATI_REG_6CH_REORDER_EN,
substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0); substream->runtime->channels >= 6 ? ATI_REG_6CH_REORDER_EN: 0);
spin_unlock_irq(&chip->reg_lock);
return 0; return 0;
} }
@ -931,11 +927,10 @@ static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream)
{ {
struct atiixp *chip = snd_pcm_substream_chip(substream); struct atiixp *chip = snd_pcm_substream_chip(substream);
spin_lock_irq(&chip->reg_lock); guard(spinlock_irq)(&chip->reg_lock);
atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN, atiixp_update(chip, CMD, ATI_REG_CMD_INTERLEAVE_IN,
substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ? substream->runtime->format == SNDRV_PCM_FORMAT_S16_LE ?
ATI_REG_CMD_INTERLEAVE_IN : 0); ATI_REG_CMD_INTERLEAVE_IN : 0);
spin_unlock_irq(&chip->reg_lock);
return 0; return 0;
} }
@ -1043,9 +1038,9 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream,
runtime->private_data = dma; runtime->private_data = dma;
/* enable DMA bits */ /* enable DMA bits */
spin_lock_irq(&chip->reg_lock); scoped_guard(spinlock_irq, &chip->reg_lock) {
dma->ops->enable_dma(chip, 1); dma->ops->enable_dma(chip, 1);
spin_unlock_irq(&chip->reg_lock); }
dma->opened = 1; dma->opened = 1;
return 0; return 0;
@ -1058,9 +1053,9 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,
/* disable DMA bits */ /* disable DMA bits */
if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))
return -EINVAL; return -EINVAL;
spin_lock_irq(&chip->reg_lock); scoped_guard(spinlock_irq, &chip->reg_lock) {
dma->ops->enable_dma(chip, 0); dma->ops->enable_dma(chip, 0);
spin_unlock_irq(&chip->reg_lock); }
dma->substream = NULL; dma->substream = NULL;
dma->opened = 0; dma->opened = 0;
return 0; return 0;
@ -1348,10 +1343,9 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
if (status & CODEC_CHECK_BITS) { if (status & CODEC_CHECK_BITS) {
unsigned int detected; unsigned int detected;
detected = status & CODEC_CHECK_BITS; detected = status & CODEC_CHECK_BITS;
spin_lock(&chip->reg_lock); guard(spinlock)(&chip->reg_lock);
chip->codec_not_ready_bits |= detected; chip->codec_not_ready_bits |= detected;
atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */
spin_unlock(&chip->reg_lock);
} }
/* ack */ /* ack */

22
sound/pci/atiixp_modem.c
View File

@ -314,7 +314,6 @@ static int atiixp_build_dma_packets(struct atiixp_modem *chip,
{ {
unsigned int i; unsigned int i;
u32 addr, desc_addr; u32 addr, desc_addr;
unsigned long flags;
if (periods > ATI_MAX_DESCRIPTORS) if (periods > ATI_MAX_DESCRIPTORS)
return -ENOMEM; return -ENOMEM;
@ -330,11 +329,11 @@ static int atiixp_build_dma_packets(struct atiixp_modem *chip,
return 0; return 0;
/* reset DMA before changing the descriptor table */ /* reset DMA before changing the descriptor table */
spin_lock_irqsave(&chip->reg_lock, flags); scoped_guard(spinlock_irqsave, &chip->reg_lock) {
writel(0, chip->remap_addr + dma->ops->llp_offset); writel(0, chip->remap_addr + dma->ops->llp_offset);
dma->ops->enable_dma(chip, 0); dma->ops->enable_dma(chip, 0);
dma->ops->enable_dma(chip, 1); dma->ops->enable_dma(chip, 1);
spin_unlock_irqrestore(&chip->reg_lock, flags); }
/* fill the entries */ /* fill the entries */
addr = (u32)substream->runtime->dma_addr; addr = (u32)substream->runtime->dma_addr;
@ -661,7 +660,7 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
!dma->ops->flush_dma)) !dma->ops->flush_dma))
return -EINVAL; return -EINVAL;
spin_lock(&chip->reg_lock); guard(spinlock)(&chip->reg_lock);
switch(cmd) { switch(cmd) {
case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_START:
dma->ops->enable_transfer(chip, 1); dma->ops->enable_transfer(chip, 1);
@ -682,7 +681,6 @@ static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
snd_atiixp_check_bus_busy(chip); snd_atiixp_check_bus_busy(chip);
} }
} }
spin_unlock(&chip->reg_lock);
return err; return err;
} }
@ -753,13 +751,12 @@ static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream)
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct atiixp_modem *chip = snd_pcm_substream_chip(substream);
unsigned int data; unsigned int data;
spin_lock_irq(&chip->reg_lock); guard(spinlock_irq)(&chip->reg_lock);
/* set output threshold */ /* set output threshold */
data = atiixp_read(chip, MODEM_OUT_FIFO); data = atiixp_read(chip, MODEM_OUT_FIFO);
data &= ~ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK; data &= ~ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK;
data |= 0x04 << ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT; data |= 0x04 << ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT;
atiixp_write(chip, MODEM_OUT_FIFO, data); atiixp_write(chip, MODEM_OUT_FIFO, data);
spin_unlock_irq(&chip->reg_lock);
return 0; return 0;
} }
@ -864,9 +861,9 @@ static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream,
runtime->private_data = dma; runtime->private_data = dma;
/* enable DMA bits */ /* enable DMA bits */
spin_lock_irq(&chip->reg_lock); scoped_guard(spinlock_irq, &chip->reg_lock) {
dma->ops->enable_dma(chip, 1); dma->ops->enable_dma(chip, 1);
spin_unlock_irq(&chip->reg_lock); }
dma->opened = 1; dma->opened = 1;
return 0; return 0;
@ -879,9 +876,9 @@ static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream,
/* disable DMA bits */ /* disable DMA bits */
if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma))
return -EINVAL; return -EINVAL;
spin_lock_irq(&chip->reg_lock); scoped_guard(spinlock_irq, &chip->reg_lock) {
dma->ops->enable_dma(chip, 0); dma->ops->enable_dma(chip, 0);
spin_unlock_irq(&chip->reg_lock); }
dma->substream = NULL; dma->substream = NULL;
dma->opened = 0; dma->opened = 0;
return 0; return 0;
@ -1013,10 +1010,9 @@ static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id)
if (status & CODEC_CHECK_BITS) { if (status & CODEC_CHECK_BITS) {
unsigned int detected; unsigned int detected;
detected = status & CODEC_CHECK_BITS; detected = status & CODEC_CHECK_BITS;
spin_lock(&chip->reg_lock); guard(spinlock)(&chip->reg_lock);
chip->codec_not_ready_bits |= detected; chip->codec_not_ready_bits |= detected;
atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */
spin_unlock(&chip->reg_lock);
} }
/* ack */ /* ack */